-# Copyright (C) 1998 Free Software Foundation, Inc.
+# This testcase is part of GDB, the GNU debugger.
+
+# Copyright 1998-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
-#
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Test GDB's ability to restore saved registers from stack frames
# when using the `return' command.
# This file was written by Jim Blandy <jimb@cygnus.com>, with
# fragments borrowed from return.exp.
-if $tracelevel then {
- strace $tracelevel
-}
-
-set prms_id 0
-set bug_id 0
+standard_testfile
+set executable $testfile
-set testfile "restore"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+if { [prepare_for_testing "failed to prepare" $executable $srcfile] } {
+ return -1
}
proc restore_tests { } {
global gdb_prompt
- if { ! [ runto driver ] } then { return 0 }
-
- set limit 5
-
- # Set breakpoints at each of the `caller' functions.
- for {set c 1} {$c <= $limit} {incr c} {
- gdb_test "break caller$c" "Breakpoint.*\[0-9\]*\\." "break caller$c"
+ if { ! [ runto driver ] } {
+ return 0
}
- # Set breakpoints at each of the `callee' functions.
- for {set c 1} {$c <= $limit} {incr c} {
- gdb_test "break callee$c" "Breakpoint.*\[0-9\]*\\." "break caller$c"
- }
+ set limit 5
# For each caller function,
# call each of the callee functions,
# force a return from the callee, and
# make sure that the local variables still have the right values.
+
for {set c 1} {$c <= $limit} {incr c} {
+ # Set a breakpoint at the next caller function.
+ gdb_test "tbreak caller$c" "Temporary breakpoint.*\[0-9\]*\\."
+
# Continue to the next caller function.
- gdb_test "continue" ".*/\\* caller$c \\*/" "run to caller$c"
+ gdb_test "continue" " caller$c prologue .*" "run to caller$c"
# Do each callee function.
for {set e 1} {$e <= $limit} {incr e} {
- gdb_test " continue" ".*/\\* callee$e \\*/" "run to callee$e"
+ gdb_test "tbreak callee$e" "Temporary breakpoint.*\[0-9\]*\\." \
+ "caller$c calls callee$e; tbreak callee"
+
+ gdb_test "continue" " callee$e prologue .*/" \
+ "caller$c calls callee$e; continue to callee"
+
# Do a forced return from the callee.
- send_gdb "return 0\n"
- gdb_expect {
- -re "Make .* return now.*y or n. $" {
- send_gdb "y\n"
- exp_continue
- }
- -re "$gdb_prompt $" { }
- }
+ set test "caller$c calls callee$e; return callee now"
+
+ gdb_test "return 0" \
+ " caller$c .*" \
+ "$test" \
+ "Make .* return now.*y or n. $" \
+ "y"
# Check that the values of the local variables are what
# they should be.
for {set var 1} {$var <= $c} {incr var} {
- set expected [expr 0xfeeb + $var]
- gdb_test "print l$var" " = $expected" \
- "caller$c called callee$e; variable l$var restored"
+ set expected [expr 0x7eeb + $var]
+ set test "caller$c calls callee$e; return restored l$var to $expected"
+ set pass_pattern " = $expected"
+ set unsupported_pattern " = <optimized out>"
+ gdb_test_multiple "print l$var" $test {
+ -re "\[\r\n\]*(?:$pass_pattern)\[\r\n\]+$gdb_prompt $" {
+ pass $test
+ }
+ -re "\[\r\n\]*(?:$unsupported_pattern)\[\r\n\]+$gdb_prompt $" {
+ unsupported $test
+ }
+ }
}
}
}
- send_gdb "continue\n"
-
- gdb_expect {
- -re "exiting" {
- pass "run to completion"
- }
- timeout {
- fail "(timeout) run to completion"
- }
- }
+ gdb_continue_to_end "" continue 1
}
-
-# Start with a fresh gdb.
-
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
-
+set prev_timeout $timeout
set timeout 30
restore_tests
+set timeout $prev_timeout
+
+# Test PR cli/23785
+clean_restart $binfile
+if { ![runto_main] } {
+ return -1
+}
+gdb_test "restore non-existent-file binary" \
+ "Failed to open non-existent-file: .*"
projects / deliverable / binutils-gdb.git / blobdiff